Previous sales - PowerPoint PPT Presentation

The Evolution of Forecasts

The Evolution of Forecasts. David Heath Department of Mathematical Sciences Carnegie Mellon University Note: some details have been altered!. The Problem. Client contacted Peter Jackson and me Client made and distributed a “sports drink” Several years before they had run out Lost sales

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453 views • 34 slides

Nitrogen Source Issues

Nitrogen Source Issues. Dale Leikam Kansas State University Manhattan, KS. World Natural Gas Costs. 2005F - $US/MMBtu. Canada $8.30. Russia $1.10. Ukraine $1.70. W. Europe $5.80. US $9.00. North Africa $0.75. Indonesia $2.00. Trinidad $2.50. Venezuela $0.80. Middle East

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343 views • 20 slides

ANCOVA

ANCOVA. One continuous Y variable. One or more continuous X variables (covariates). One or more class variables (treatments). Model: (Y-GM Y ) = (Y-Y’) + B (X-GM X ) + e Y = m j + B (X- GM X ) + e. Use of ANCOVA. Increase sensitivity of ANOVA.

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524 views • 10 slides

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